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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#1,541 in Houston, TX
#6,299 in Texas
#94,841 in US
Drilltec Patents & Technologies Corporation
Forward Citations = 5
4 inventors:
Houston, TX, United States of America
Drilltec Patents & Technologies Corporation
% Expired Patents = 50.0
CIPO Patents = 1
EPO Patents = 2
Trademarks = 4
Forward Citations = 5
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4 inventors (with patents filed for the assignee):
David W Clem (2 out of 6 patents)
Yasuhiro Yamamoto (1 out of 122 patents)
Bryan C Baker (1 out of 6 patents)
4. Jeffrey D Lendermon (1 out of 1 patent)
5. Yasuhiro Yamamoto (10 patents)
6. Nagasaku Shigeo (0 patent)
7. Yamamoto Yasuhiro (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Drilltec Patents & Technologies Corporation. Retrieved from https://idiyas.com/company/drilltec-patents-and-technologies
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (CIPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
2 patents (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]